package com.sh.杂七杂八;

public class Test1 {
    public static void main(String[] args) {
        String a = "abc";
        StringBuilder builder = new StringBuilder();
        StringBuffer stringBuffer = new StringBuffer();
    }


    public static void show(){
        System.out.println("show");
    }


    public static void show(int a){
        System.out.println("show"+a);
    }

    public static int show(int a, int b){
        return a+b;
    }
}
